68026683331 has 4 divisors (see below), whose sum is σ = 69310205712. Its totient is φ = 66743160952.

The previous prime is 68026683293. The next prime is 68026683341. The reversal of 68026683331 is 13338662086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13338662086 = 2 ⋅6669331043.

It is a cyclic number.

It is not a de Polignac number, because 68026683331 - 2⁹ = 68026682819 is a prime.

It is a super-2 number, since 2×68026683331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68026683341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641761111 + ... + 641761216.

It is an arithmetic number, because the mean of its divisors is an integer number (17327551428).

Almost surely, 2^68026683331 is an apocalyptic number.

68026683331 is a deficient number, since it is larger than the sum of its proper divisors (1283522381).

68026683331 is a wasteful number, since it uses less digits than its factorization.

68026683331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283522380.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 68026683331 in words is "sixty-eight billion, twenty-six million, six hundred eighty-three thousand, three hundred thirty-one".